linux-kernel - Re: [PATCH] i2c-core: One function call less in acpi_i2c_space

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Message-ID: <201512261449.pmBxYtq3%fengguang.wu@intel.com>
Date:	Sat, 26 Dec 2015 14:47:05 +0800
From:	kbuild test robot <lkp@...el.com>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	kbuild-all@...org, linux-i2c@...r.kernel.org,
	Wolfram Sang <wsa@...-dreams.de>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] i2c-core: One function call less in
 acpi_i2c_space_handler() after error detection

[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
Hi Markus,

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on v4.4-rc6 next-20151223]

url:    https://github.com/0day-ci/linux/commits/SF-Markus-Elfring/i2c-core-One-function-call-less-in-acpi_i2c_space_handler-after-error-detection/20151226-143820
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux i2c/for-next
config: x86_64-randconfig-x010-12251849 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/i2c/i2c-core.c: In function 'acpi_i2c_space_handler':
>> drivers/i2c/i2c-core.c:404:3: error: label 'err' used but not defined
      goto err;
      ^

vim +/err +404 drivers/i2c/i2c-core.c

17f4a5c4 Wolfram Sang 2014-09-22  398  		}
17f4a5c4 Wolfram Sang 2014-09-22  399  		break;
17f4a5c4 Wolfram Sang 2014-09-22  400  
17f4a5c4 Wolfram Sang 2014-09-22  401  	default:
17f4a5c4 Wolfram Sang 2014-09-22  402  		pr_info("protocol(0x%02x) is not supported.\n", accessor_type);
17f4a5c4 Wolfram Sang 2014-09-22  403  		ret = AE_BAD_PARAMETER;
17f4a5c4 Wolfram Sang 2014-09-22 @404  		goto err;
17f4a5c4 Wolfram Sang 2014-09-22  405  	}
17f4a5c4 Wolfram Sang 2014-09-22  406  
17f4a5c4 Wolfram Sang 2014-09-22  407  	gsb->status = status;

:::::: The code at line 404 was first introduced by commit
:::::: 17f4a5c47f28de9ea59182f48d07f8c44ee5dcc9 i2c: move acpi code back into the core

:::::: TO: Wolfram Sang <wsa@...-dreams.de>
:::::: CC: Wolfram Sang <wsa@...-dreams.de>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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